December Weather in Stromboli, Italy

Last updated: March 24, 2025

December in Stromboli, Italy offers a unique blend of mild temperatures and lush, vibrant landscapes. The maximum daily temperature reaches a comfortable 19°C (66°F), while the average stands at a pleasant 15°C (59°F), providing an ideal climate for exploring this picturesque island. As temperatures dip to a minimum of 9°C (49°F), visitors can expect a refreshing coastal atmosphere. However, be prepared for 14 days of precipitation, accumulating to about 118 mm (4.6 in) throughout the month, which contributes to the island’s lush greenery and dramatic scenery. With an average humidity of 78%, December creates a captivating experience for travelers seeking both adventure and tranquility amidst nature's beauty.

December Temperature in Stromboli

In December, Stromboli, Italy experiences a delightful transition into winter, characterized by mild temperatures that refuse to dip too low. With nighttime lows averaging around 9°C (49°F) and daytime highs reaching 19°C (66°F), the island maintains a comfortable climate, inviting visitors to explore its rugged beauty without the scorching heat of summer. The average temperature settles at a pleasant 15°C (59°F), marking a gradual decline from the warmer months, yet still providing an enjoyable atmosphere. As the year winds down, December's temperatures reflect a trend of cooling off while maintaining an inviting charm, perfect for those seeking a cozy escape amidst nature’s stunning winter tapestry.

December Weather in Stromboli: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Stromboli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec555656606673798176706459
Data source: Temperature data for Stromboli generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Stromboli

In December, Stromboli, Italy experiences its wettest month of the year, with precipitation reaching 118 mm (4.6 in) over approximately 14 rainy days. This marks a notable increase from November's already substantial rainfall, highlighting a trend of escalating precipitation as the year draws to a close. The consistent pattern of higher rainfall during these late months indicates a clear shift in climate dynamics, contrasting sharply with the driest summer months, such as May and July, which see meager totals of just 18 mm (0.7 in) and 20 mm (0.8 in), respectively. Consequently, December's dampness not only signifies the arrival of winter but also accentuates the island's unique climatic character, where storms often lend a dramatic backdrop to the volcanic landscape.

December Precipitation Trends in Stromboli

The chart displays monthly precipitation patterns in Stromboli, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec75597145182320235079117118
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Stromboli

December brings a familiar humidity level to Stromboli, Italy, clocking in at 78%, a slight increase from the previous months. This month, like January and November, maintains higher humidity levels, suggesting that winter in this coastal paradise tends to be moist and crisp. Throughout the year, humidity levels gradually decline from a peak in the cooler months, with a notable low of 61% in August. However, as the year comes full circle, humidity begins to rise again, creating a cozy atmosphere in December that perfectly complements the island's stunning winter views. The shifting patterns emphasize Stromboli's unique climatic rhythm, where humidity plays a significant role in shaping its charming allure.

December Average Humidity in Stromboli

This chart illustrates the average monthly humidity levels in Stromboli, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec78%72%70%73%72%67%64%61%68%73%77%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Stromboli

In December, Stromboli, Italy experiences a moderate UV Index of 3, indicating that while the sun's rays are more forgiving, precautions should still be taken during outdoor activities. This marks a gentle dip from the high and very high levels observed in the summer months, where the UV Index peaked at 10 in June, July, and August, necessitating a cautious approach with a quick burn time of just 15 minutes. As winter approaches, the potential for skin damage decreases, allowing for comfortable outdoor enjoyment with a 30-minute burn time. Visitors can take advantage of the milder sun while being aware of the seasonal trend, which underscores the importance of monitoring UV levels year-round. For more detailed information, check out Stromboli UV Index.

Maximum UV Index Levels in Stromboli for December

The chart shows the monthly maximum UV Index (UVI) for Stromboli in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec346891010108643
Data source: Stromboli December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Stromboli

As the year winds down, December in Stromboli offers a gentle transition into winter, with 264 hours of sunshine that subtly encapsulates the island's charm. While this is slightly less than November's 263 hours, it paves the way for the sunnier months ahead. The sunshine begins to dwindle from the vibrant highs of summer, where July boasts an impressive 420 hours, and gradually decreases through the autumn, shedding light on the island's serene beauty during the cooler months. Visitors can still enjoy the softer rays in December, making it a delightful time to explore the island’s captivating landscapes and tranquil vistas, where each sunbeam feels like a cherished gift before the New Year begins.

Monthly Sunshine Duration in Stromboli: December Highlighted

The December sunshine duration represents the total number of hours Stromboli experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec214h270h328h353h398h405h420h395h339h315h263h264h
Data source: Stromboli December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Stromboli During December

In December, the likelihood of sunshine in Stromboli, Italy, holds steady at 53%, suggesting a moderate chance for pleasant, sunny days as the year draws to a close. This month marks a transition from the higher probabilities of sun seen in the summer, with July and August boasting impressive rates of 88% and 90%, respectively. While December's chances dip compared to these warm months, it does show an improvement over the gloomy conditions of October and November, both at 42%. As the holiday season approaches, visitors to Stromboli can look forward to a blend of sunny spells among the island’s breathtaking landscapes, making December a worthwhile time to explore.

Percentage of Sunny Days in December in Stromboli

The chart illustrates the percentage of sunny days in Stromboli throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Stromboli experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%60%65%53%62%66%88%90%64%42%42%53%
Data source: Stromboli December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Stromboli in December

In Stromboli, Italy, the daylight duration weaves a captivating tapestry throughout the year, starting with 9 hours in December, a reflection of the winter season that echoes into January. As the months progress toward spring, daylight begins to stretch gradually, reaching 11 hours by March and peaking at a delightful 14 hours from May through July. This vibrant summertime abundance gradually wane, as August sees a slight decrease, followed by a steady decline into autumn, where daylight dips to 10 hours in November. The cyclical dance of daylight encapsulates the changing seasons, creating a rhythm that residents and visitors alike cherish as each month rolls into the next.

Average Daylight Hours in Stromboli for December

The chart illustrates the variation in daylight duration in Stromboli throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 46m10h 44m11h 58m13h 13m14h 17m14h 49m14h 32m13h 36m12h 23m11h 8m10h 2m9h 29m
Data source: Stromboli daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Stromboli

In Stromboli, Italy, December ushers in a refreshing breeze with an average wind speed of 6.8 m/s (15 mph), matching the winds of January. This resurgence in wind patterns contrasts starkly with the gentle summer months, where speeds dwindle to their lowest, averaging around 3.1 m/s (7 mph) in the heart of August. As the year progresses, the wind gradually picks up in November, creating a delightful prelude to the more vigorous gusts of winter. Notably, both December and January showcase the island's dynamic wind behavior, inviting both locals and visitors to embrace the invigorating chill of the season. This shift not only enhances the atmospheric charm but also accentuates the stunning landscapes that Stromboli is renowned for, making it a captivating destination during this time of year.

Average December Wind Speed in Stromboli

The chart displays monthly wind speed patterns in Stromboli, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.85.14.44.83.63.13.43.13.15.66.36.8 m/s
Data source: Stromboli December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Stromboli Compares to Other Months

The weather in Stromboli changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Stromboli and find detailed weather information for every month.

December and January both feature relatively mild temperatures, but January is slightly cooler overall. In December, the minimum temperature averages around 9°C (49°F), peaking at a maximum of 19°C (66°F), while January sees a drop with a minimum of 4°C (39°F) and a maximum of 18°C (65°F). Precipitation levels are higher in December, with 118 mm (4.6 in) over 14 days, compared to January's 75 mm (2.9 in) over 12 days. Despite the differences, both months maintain a consistent humidity level of 78%. For detailed insights on January weather, you can check Stromboli weather in January.

When comparing the weather between December and February, December tends to be slightly warmer with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), while February sees a dip with averages from 7°C (44°F) to 17°C (64°F). Additionally, December experiences significantly more rainfall, with 118 mm (4.6 in) spread over 14 days, compared to February's 59 mm (2.3 in) over just 9 days. Humidity levels are also higher in December at 78%, while February has a lower humidity of 71%. For further details, you can check Stromboli weather in February.

In December, temperatures in Stromboli range from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), with an average temperature of 15°C (59°F). The month experiences significant rainfall, with 118 mm (4.6 in) of precipitation spread over about 14 days and a high humidity level of 78%. In contrast, March sees slightly cooler temperatures, with a minimum of 8°C (48°F), an average of 13°C (57°F), and a maximum of 18°C (64°F). The total precipitation drops to 71 mm (2.8 in) over 9 days, and humidity decreases to 70%. This shift indicates a transition from the wetter, more humid December to the drier, cooler March. For more specific details on Stromboli weather in March, you can refer to this link: Stromboli weather in March.

In December, the weather is relatively mild with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), accompanied by significant precipitation of 118 mm (4.6 in) spread over 14 days. The humidity is high at 78%, making it feel quite damp. In contrast, April offers slightly warmer temperatures, with a minimum of 11°C (51°F) and a maximum of 21°C (70°F), while experiencing much less rainfall at 45 mm (1.8 in) over just 7 days. The humidity is also lower at 73%, contributing to a more pleasant spring atmosphere. For more details about conditions specific to that month, check out Stromboli weather in April.

In December, temperatures range from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), with an average of 15°C (59°F). This month is quite wet, experiencing about 118 mm (4.6 in) of precipitation over approximately 14 days, contributing to a humidity level of 78%. In contrast, May brings warmer temperatures, with a minimum of 14°C (57°F) and a maximum reaching 25°C (78°F), averaging around 19°C (66°F). The rainfall significantly decreases to just 18 mm (0.7 in) over about 4 days, and humidity is slightly lower at 72%. For more insights on the delightful weather during this month, visit Stromboli weather in May.

December and June showcase remarkable contrasts in weather patterns. In December, temperatures range from a mild minimum of 9°C (49°F) to a comfortable maximum of 19°C (66°F), with an average of 15°C (59°F). The month is also characterized by higher precipitation, with 118 mm (4.6 in) spread over approximately 14 rainy days, contributing to a humidity level of 78%. In contrast, June offers a significantly warmer climate, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 30°C (85°F) and an average of 23°C (74°F). The month is much drier, recording only 23 mm (0.9 in) of precipitation over about 3 days, and the humidity drops to 67%. For more specific insights into weather conditions during June, you can check Stromboli weather in June.

In December, the weather is noticeably cooler, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 19°C (66°F) and an average of 15°C (59°F). This month also experiences significant precipitation, with about 118 mm (4.6 in) falling over 14 days, contributing to a higher humidity level of 78%. In contrast, July brings much warmer temperatures, with a minimum of 21°C (70°F) and a maximum of 30°C (86°F), averaging around 26°C (79°F). The summer month enjoys much drier conditions, with only 20 mm (0.8 in) of rain over 3 days and a lower humidity of 64%. For more insights on weather patterns during July, you can check out Stromboli weather in July.

December and August present a stark contrast in weather conditions. In December, the temperatures range from a chilly 9°C (49°F) to a mild 19°C (66°F), with an average of 15°C (59°F). This month also experiences significant rainfall, with 118 mm (4.6 in) spread over 14 days and higher humidity at 78%. In contrast, August basks in warmth, with minimum temperatures of 22°C (71°F) and maximums reaching 31°C (88°F), averaging around 27°C (81°F). This summer month sees much less precipitation, only 23 mm (0.9 in) over just 3 days, accompanied by a more comfortable humidity level of 61%. For those interested in what Stromboli has to offer during the peak of summer, you can check out Stromboli weather in August.

When comparing the weather in December and September, notable contrasts emerge. December features cooler temperatures with a minimum of 9°C (49°F) and an average of 15°C (59°F), compared to September, which boasts a much milder range with minimums of 19°C (66°F) and an average of 25°C (76°F). Additionally, December experiences significantly higher precipitation, with 118 mm (4.6 in) over 14 days, whereas September has just 50 mm (2.0 in) falling over 7 days. Humidity levels are also higher in December at 78%, compared to September's 68%. For a closer look at September's weather specifics, check out Stromboli weather in September.

December weather tends to be milder and wetter compared to October. While December features average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), October enjoys warmer conditions with an average temperature that varies between 16°C (60°F) and 27°C (81°F). Additionally, December experiences higher precipitation, with 118 mm (4.6 in) over 14 days, compared to October's 79 mm (3.1 in) over 11 days. Humidity levels are also slightly elevated in December at 78%, compared to 73% in October. For a more detailed look, you can check out Stromboli weather in October.

In comparing the weather between December and November, it’s clear that December experiences slightly cooler temperatures, with a minimum of 9°C (49°F) compared to November's minimum of 11°C (52°F). The average temperature also dips from 18°C (65°F) in November to 15°C (59°F) in December, and the maximum temperature in December is 19°C (66°F), lower than November's 22°C (73°F). Interestingly, both months see similar levels of precipitation, with December having 118 mm (4.6 in) over 14 days and November slightly less at 117 mm (4.6 in) across 13 days. Humidity levels remain fairly comparable, with December at 78% and November at 77%. For more detailed insights, you can check out Stromboli weather in November.

Compare Stromboli's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Stromboli

As December unfolds on Stromboli, the island experiences a distinct shift in weather, presenting a cooler and more humid atmosphere compared to the previous months. With average temperatures hovering around a crisp 15°C, visitors can expect a refreshing sea breeze and the occasional chill in the air, particularly during the evenings. The month sees an uptick in precipitation, with rain gracing 14 days, resulting in lush landscapes that contrast beautifully with the volcanic terrain. Overall, while December offers a more subdued climate, it creates a unique charm perfect for exploring the island's natural beauty. For more insights into the year's weather patterns, check out Stromboli Climate.